1 size:4.5"-9" 2 high performance 3 safe use, long lifespan 4 tip thickness:2.6~3.1mm 5 cut concrete stone brick marble 6. Diameter: 4.5"~9"7. Hole size: 16mm, 20mm, 25.4mm8. Coated material: diamond 9. Coating thickness: 2.6~3.1mm 10. Body material: steel11. Body thickness: 1.4~1.8MM12. The saw balde is used for cutting construction materials, such as concrete, stone, brick, marble, granite, ...